Home / 231,562.14-319,569.21-129,586.71

Finding the Fourth Proportional to 231,562.14, 319,569.21 and 129,586.71

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Solution

The fourth proportional to 231,562.14, 319,569.21 and 129,586.71 is: 178,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,562.14 : 319,569.21 = 129,586.71 : x
  2. Step 2: Convert to fraction form
    231,562.14/319,569.21 = 129,586.71/x
  3. Step 3: Cross multiply
    231,562.14x = 319,569.21 × 129,586.71
  4. Step 4: Simplify right side
    231,562.14x = 41,411,922,541.20
  5. Step 5: Solve for x
    x = 41,411,922,541.20/231,562.14
  6. Step 6: Final answer
    x = 178,837.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.